# Friedrich Langer
**Wikidata**: [Q25548852](https://www.wikidata.org/wiki/Q25548852)  
**Source**: https://4ort.xyz/entity/friedrich-langer


## References

1. [Source](https://www.geschichtewiki.wien.gv.at/Friedrich_Langer)
2. [Source](https://mix-n-match.toolforge.org/#/entry/63770894)